Litigation (Pricing and Medicaid Litigation) (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Loss Contingencies [Line Items]
Other current liabilities	$ 4,845.8	$ 4,960.7

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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